used for this purpose they are usually raised a greater dis- 

 tance above the beds. A brush screen, consisting of a low- 

 frame covered with boughs, is often used, as shown in Fig. 6. 

 This is cheaper than the lath screens, and is equally as good 



7. Screen for frames 



for most purposes. The brush is often laid directly upon the 

 ground, especially in large beds. This answers the purpose 

 of shading, but it does not allow of weeding, and it must be 

 taken off soon after the seeds germinate, or slender plants 

 will be injured in its removal. Brush screens are sometimes 

 raised three or four feet to allow of weeding. A screen for 

 frames is shown in Fig. 7. It is a simple' covering of muslin 

 stretched over the top and sides of a rough framework. 



The cloth is usually 

 omitted from the front 

 side. This style of 

 screens is much used 

 by nurserymen, espe- 

 cially for cutting-beds. 

 Whitewashing the 

 sashes of coldframes 

 also affprds good shading. A more elaborate and perma- 

 nent screen is shown in Fig. 8. It is built of slats, usually 

 3-inch stuff. This shed screen is oftenest used for the pro- 

 tection of tender plants, but it affords an exceedingly use- 



8. Shed screen for seeds and plants 



